APA (7th ed.) Citation

Rhododendron Society. (1930). The species of rhododendron. Published by the Rhododendron society.

Chicago Style (17th ed.) Citation

Rhododendron Society. The Species of Rhododendron. [Edinburgh]: Published by the Rhododendron society, 1930.

MLA (9th ed.) Citation

Rhododendron Society. The Species of Rhododendron. Published by the Rhododendron society, 1930.

Warning: These citations may not always be 100% accurate.